| 无电极电光M-Z型电场传感器LinbO3波导折射率变化研究 |
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| 引用本文： | 张阜文,冯雷,陈福深.无电极电光M-Z型电场传感器LinbO3波导折射率变化研究[J].应用光学,2002,23(6):20-24. |
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| 作者姓名： | 张阜文 冯雷 陈福深 |
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| 作者单位： | 电子科技大学,宽带光纤传输与通信系统国家重点实验室,四川,成都,610054 |
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| 基金项目： | 国家自然科学基金资助项目 (6 0 0 770 30 ) |
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| 摘 要： | 利用微扰近似法，导出了折射率的变化公式，通过数值计算，分析并讨论了电场与折射率变化的关系。得出了其函数关系式，通过对实验室制作的器件进行直流测试，进一步验证了函数关系式的正确性和无电极电光M－Z型电场传感器的可行性。
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| 关 键 词： | 无电极电光M－Z型电场传感器 LinbO3 微扰近似法 折射率 锂酸锂晶体 函数关系式 光波导 |
| 文章编号： | 1002-2082(2002)06-0020-05 |
| 收稿时间： | 2001/3/18 |
RESEAR CH OF WAVE-GUIDE REFRACTIVE-INDEX CHANGE OF M-Z ELECTRIC FIELD SENSOR WITH ON ELECTRODES IN LiNbO3 |
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| ZHANG Fu wen,FENG Lei,CHEN Fu shen.RESEAR CH OF WAVE-GUIDE REFRACTIVE-INDEX CHANGE OF M-Z ELECTRIC FIELD SENSOR WITH ON ELECTRODES IN LiNbO3[J].Journal of Applied Optics,2002,23(6):20-24. |
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| Authors: | ZHANG Fu wen FENG Lei CHEN Fu shen |
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| Abstract: | The formulas for refractive index change are derived with the perturbation approximation, then the relation of the external electric fields and refractive index change is analyed and discussed with the numerical computation. The functional relation is presented. To verify the correctness of the function and feasibility of the Mach Zehnder interferometer with no electrodes for sensing electric fields, the direct current experiments on the sensor fabricated by our lab have been carried out and the good results have been achieved. |
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| Keywords: | normal type reversal type Mach Zehnder interferometer electric field sensor |
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